The Guy V. Henry, Sr., and Guy V. Henry, Jr., photograph collection consists of photographs from the career of both officers. Guy V. Henry, Sr.'s photos span the period from 1870 to 1902, while Guy V. Henry, Jr.'s span the period from 1898 to 1939. Guy V. Henry, Sr.'s photos are mostly of western military posts, the Belleview Rifle Range, and Puerto Rico. Guy V. Henry, Jr.'s photos includes images of the time he served as aide to his father in Puerto Rico; service with the 26th U.S. Volunteer Infantry; attendance at cavalry schools in the U.S. and in Europe; participation in equestrian events at the 1912 Olympics; service in the Philippines; service at Fort Knox, Kentucky; retirement, and work on various Joint Defense Boards following his retirement.